1280774880

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{11551}}^1$

素因数の和:11590

約数の個数: 288

約数和(自身を含む): 5449586688

約数和(自身を除く): 4168811808

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 28, 30, 32, 33, 35, 36, 40, 42, 44, 45, 48, 55, 56, 60, 63, 66, 70, 72, 77, 80, 84, 88, 90, 96, 99, 105, 110, 112, 120, 126, 132, 140, 144, 154, 160, 165, 168, 176, 180, 198, 210, 220, 224, 231, 240, 252, 264, 280, 288, 308, 315, 330, 336, 352, 360, 385, 396, 420, 440, 462, 480, 495, 504, 528, 560, 616, 630, 660, 672, 693, 720, 770, 792, 840, 880, 924, 990, 1008, 1056, 1120, 1155, 1232, 1260, 1320, 1386, 1440, 1540, 1584, 1680, 1760, 1848, 1980, 2016, 2310, 2464, 2520, 2640, 2772, 3080, 3168, 3360, 3465, 3696, 3960, 4620, 5040, 5280, 5544, 6160, 6930, 7392, 7920, 9240, 10080, 11088, 11551, 12320, 13860, 15840, 18480, 22176, 23102, 27720, 34653, 36960, 46204, 55440, 57755, 69306, 80857, 92408, 103959, 110880, 115510, 127061, 138612, 161714, 173265, 184816, 207918, 231020, 242571, 254122, 277224, 323428, 346530, 369632, 381183, 404285, 415836, 462040, 485142, 508244, 519795, 554448, 635305, 646856, 693060, 727713, 762366, 808570, 831672, 889427, 924080, 970284, 1016488, 1039590, 1108896, 1143549, 1212855, 1270610, 1293712, 1386120, 1455426, 1524732, 1617140, 1663344, 1778854, 1848160, 1905915, 1940568, 2032976, 2079180, 2287098, 2425710, 2541220, 2587424, 2668281, 2772240, 2910852, 3049464, 3234280, 3326688, 3557708, 3638565, 3811830, 3881136, 4065952, 4158360, 4447135, 4574196, 4851420, 5082440, 5336562, 5544480, 5717745, 5821704, 6098928, 6468560, 7115416, 7277130, 7623660, 7762272, 8004843, 8316720, 8894270, 9148392, 9702840, 10164880, 10673124, 11435490, 11643408, 12197856, 12937120, 13341405, 14230832, 14554260, 15247320, 16009686, 16633440, 17788540, 18296784, 19405680, 20329760, 21346248, 22870980, 23286816, 26682810, 28461664, 29108520, 30494640, 32019372, 35577080, 36593568, 38811360, 40024215, 42692496, 45741960, 53365620, 58217040, 60989280, 64038744, 71154160, 80048430, 85384992, 91483920, 106731240, 116434080, 128077488, 142308320, 160096860, 182967840, 213462480, 256154976, 320193720, 426924960, 640387440, 1280774880]

約数ペア:

[(1, 1280774880), (2, 640387440), (3, 426924960), (4, 320193720), (5, 256154976), (6, 213462480), (7, 182967840), (8, 160096860), (9, 142308320), (10, 128077488), (11, 116434080), (12, 106731240), (14, 91483920), (15, 85384992), (16, 80048430), (18, 71154160), (20, 64038744), (21, 60989280), (22, 58217040), (24, 53365620), (28, 45741960), (30, 42692496), (32, 40024215), (33, 38811360), (35, 36593568), (36, 35577080), (40, 32019372), (42, 30494640), (44, 29108520), (45, 28461664), (48, 26682810), (55, 23286816), (56, 22870980), (60, 21346248), (63, 20329760), (66, 19405680), (70, 18296784), (72, 17788540), (77, 16633440), (80, 16009686), (84, 15247320), (88, 14554260), (90, 14230832), (96, 13341405), (99, 12937120), (105, 12197856), (110, 11643408), (112, 11435490), (120, 10673124), (126, 10164880), (132, 9702840), (140, 9148392), (144, 8894270), (154, 8316720), (160, 8004843), (165, 7762272), (168, 7623660), (176, 7277130), (180, 7115416), (198, 6468560), (210, 6098928), (220, 5821704), (224, 5717745), (231, 5544480), (240, 5336562), (252, 5082440), (264, 4851420), (280, 4574196), (288, 4447135), (308, 4158360), (315, 4065952), (330, 3881136), (336, 3811830), (352, 3638565), (360, 3557708), (385, 3326688), (396, 3234280), (420, 3049464), (440, 2910852), (462, 2772240), (480, 2668281), (495, 2587424), (504, 2541220), (528, 2425710), (560, 2287098), (616, 2079180), (630, 2032976), (660, 1940568), (672, 1905915), (693, 1848160), (720, 1778854), (770, 1663344), (792, 1617140), (840, 1524732), (880, 1455426), (924, 1386120), (990, 1293712), (1008, 1270610), (1056, 1212855), (1120, 1143549), (1155, 1108896), (1232, 1039590), (1260, 1016488), (1320, 970284), (1386, 924080), (1440, 889427), (1540, 831672), (1584, 808570), (1680, 762366), (1760, 727713), (1848, 693060), (1980, 646856), (2016, 635305), (2310, 554448), (2464, 519795), (2520, 508244), (2640, 485142), (2772, 462040), (3080, 415836), (3168, 404285), (3360, 381183), (3465, 369632), (3696, 346530), (3960, 323428), (4620, 277224), (5040, 254122), (5280, 242571), (5544, 231020), (6160, 207918), (6930, 184816), (7392, 173265), (7920, 161714), (9240, 138612), (10080, 127061), (11088, 115510), (11551, 110880), (12320, 103959), (13860, 92408), (15840, 80857), (18480, 69306), (22176, 57755), (23102, 55440), (27720, 46204), (34653, 36960)]